US Bridges

Fdr 87A over Los Pinos Creek

Fair

Rio Arriba County, New Mexico · 45 Yd Se/O FSR 284 Int · Structure no. 030206000001016

Built
1973
52 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
56 ft
1 main span
Daily traffic
90
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 87A over Los Pinos Creek is a wood or timber stringer/multi-beam or girder carrying Fdr 87A over Los Pinos Creek in Rio Arriba County, New Mexico. It was built in 1973, so it is 52 years old, older than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 90 vehicles a day, projected to reach 120 by 2040. The structure is 56 ft (17.1 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFdr 87A
CrossesLos Pinos Creek
Location45 Yd Se/O FSR 284 Int
RouteFederal Lands Road 87A
Coordinates36.95859, -106.16387
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span55 ft (16.8 m)
Deck width15 ft (4.7 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic120 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$386,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 87A over Los Pinos Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Fdr 87A over Los Pinos Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Fdr 87A over Los Pinos Creek carry?

About 90 vehicles per day (2022 count).

How long is Fdr 87A over Los Pinos Creek?

The structure is 56 ft (17.1 m) long with a longest span of 55 ft (16.8 m) and a deck 15 ft wide.

Who owns Fdr 87A over Los Pinos Creek?

It is owned by the U.S. Forest Service.